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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 3998201 B1

PDFFull Text
Date of Patent:
Dec. 21, 1976

Filed:

Nov. 23, 1973

Concrete breaker

Applicant:
Inventors:

Mitsuo Miura, Tokyo, J;

Masahiro Takigawa, Ashiya, J;

Masao Miyaguchi, Tokyo, J;

Hiromichi Yamada, Tokyo, J;

Iwao Uchizaki, Tokyo, J;

Minoru Ochiai, Tokyo, J;

Yoshihiro Ishikawa, Nishinomiya, J;

Assignee:

Takenaka Komuten Company, Ltd., , J;

Attorney:

Fidelman, Wolffe & Waldron

Primary Examiner:

Roy Lake

Assistant Examiner:

E F Desmond

Int. Cl.
CPC ...
B02C / ; B28D / ;
U.S. Cl.
CPC ...
125 / ; 100231 ; 125 / ; 225103 ;
Abstract

A concrete breaker, in which in breaking a concrete structure, the inclination of the main chisel is maintained within a desired angle by a limit switch to prevent the chisel receiving bed and the ram from being damaged at least two mini-chisels disposed opposite the main chisel are slidably arranged and driving means for these chisels are encased in a machine frame provided with machine beds so that the machine body may be formed smaller and lighter in weight.

Find Patent Forward Citations

Miura, Mitsuo. (1976). Concrete breaker (U.S. Patent No. 3998201). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3998201

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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